Step-by-step explanation:
2a+c
=2( 2+(-6) )
=2( -4 )
= -8
First, subtract 30x from each side to get:
-60 = -10x
Then, divide each side by -10 to get:
x = 6
Now, plug back in to check your answer:
30(6) - 60 = 20(6)
180 - 60 = 120
120 = 120
Hope this helps!! :)
Answer:
20.28
Please look at the drawing